Where does Fujigiken Co., Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Fujigiken Co., Ltd. ranks #46,913 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Fujigiken Co., Ltd. hold?

Fujigiken Co., Ltd. holds 5 US utility patents granted between 2015 and 2018, spanning 12 technology areas.

What is Fujigiken Co., Ltd.'s Innovation Score?

Fujigiken Co., Ltd. has an Innovation Score of 24.2 out of 100 (14th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Fujigiken Co., Ltd.'s patent grant rate increasing or decreasing?

Fujigiken Co., Ltd.'s recent grant velocity is -100% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Fujigiken Co., Ltd.'s patents?

Fujigiken Co., Ltd.'s patents average 9.6 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Fujigiken Co., Ltd. patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView Foreign Corporation

Fujigiken Co., Ltd.

Q: What technology areas does Fujigiken Co., Ltd. focus on?

Fujigiken Co., Ltd.'s top technology area is C23C (Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General) with 2 patents, ranking #798 of 1,658 assignees active in that subclass. Grants appear in 12 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 12 technology areas, recorded in grant years 2015–2018. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: C23C (Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evap).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Fujigiken ranks #46,913 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 12 technology areas.

#46,913
of 49,997 US assignees by volume: 14th percentile
by Innovation Score (24.2/100): 9.6
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R46913 · Foreign Corporation #46,913 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #46,913/49,997
PHOTO-FINISH Fuji Chemical…
CPC-FOCUS C23C · 12 areas
INNOV-THIN 24.2/100
CLAIMS-PAR 9.6 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Fuji Chemical Industries Co., Ltd. (±0 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How Fujigiken’s 24.2 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 6.2 pts (26%) Velocity 0.0 pts (0%) Breadth 12.2 pts (50%) Claim depth 5.8 pts (24%)

Qualcomm Incorporated · highest

85
Fujigiken · this assignee

24
3D Lighting… · lowest

7

What this shows Fujigiken's Innovation Score is 24.2/100 (14th percentile of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for Fujigiken?

Each dot is one of Fujigiken’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Fujigiken’s own 9.6 claims/patent is ABOVE the 8.6 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Fujigiken vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

Where Fujigiken's grants concentrate

Fujigiken Co., Ltd. is a focused PatentsView assignee: 12 CPC subclasses with 40% of grants classified under C23C (Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evap). Peak complete grant year is 2016 (2 grants) versus a trough of 1 in 2015. By volume, Fujigiken sits between Fuji Chemical Industries Co., Ltd. and FUNDACIÓ Institut DE Recerca DE L'hospital DE LA Santa Creu I Sant PAU.

Fuji Chemical Ind…

5
Fuji Engineering

5
Fuji Silysia Chem…

5
Fujifilm Healthca…

5
FUL Chee ENT

5
Fullbeauty Brands…

5
Fundacao DE Ampar…

5
FundaciÓ Institut…

5
Fujigiken ◀

5

What this shows Fujigiken holds 5 patents at rank #46,799, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Fujigiken

By rank, the assignees closest to #46,799 in granted patent volume.

Leaders in C23C (Coating Metallic Material)

Other assignees with the most granted patents in Fujigiken's primary technology class.

Fujigiken's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

24 14th percentile higher than 14% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2018

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Fujigiken Co., Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	20.0%
2016	2	40.0%
2018	2	40.0%

Which technologies does Fujigiken Co., Ltd. patent most?

C23C - Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evaporation, BY Sputtering, BY ION Implantation OR BY Chemical Vapour Deposition, IN General 2

B24C - Abrasive OR Related Blasting With Particulate Material 1

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 1

C09G - Polishing Compositions ; SKI Waxes 1

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 1

C09D - Coating Compositions, e.g. Paints, Varnishes OR LACQUERS; Filling PASTES; Chemical Paint OR INK REMOVERS; INKS; Correcting FLUIDS; WOODSTAINS; Pastes OR Solids FOR Colouring OR PRINTING; USE OF Materials Therefor 1

Y10S - Technical Subjects Covered BY Former Uspc Cross-reference ART Collections [XRACs] AND Digests 1

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 1

B05D - Processes FOR Applying Fluent Materials TO Surfaces, IN General 1

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 1

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 1

H05H - Plasma Technique ; Production OF Accelerated Electrically-charged Particles OR OF NEUTRONS; Production OR Acceleration OF Neutral Molecular OR Atomic Beams 1

Top 12 of 12 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Fujigiken Co., Ltd.'s patent record in context - here's where to go next.

Fujigiken Co., Ltd.'s lead technology class is C23C (Coating Metallic MATERIAL; Coating Material With Metallic MATERIAL; Surface Treatment OF Metallic Material BY Diffusion Into THE Surface, BY Chemical Conversion OR SUBSTITUTION; Coating BY Vacuum Evap), 40% of its portfolio - see every assignee active in that class. Explore C23C
Ranked #46,913 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Fujigiken Co., Ltd. against Fuji Chemical Industries Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 24.2/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

Figures reflect USPTO PatentsView grant data through May 2026; pending applications not yet granted are not counted.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent , US Patent Intelligence Editorial Process · May 15, 2026

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of May 2026.